Network Information

In order to use oVice, you need to pass the following basic tests.


Perform WebRTC Connection Diagnosis

This site tests whether the communication required to use ovice has been established. Please access the following and confirm that the test is executed and the required result is successful.
WebRTC connection diagnosis site


Conducting WebSocket Tests

This test confirms that the Websockets used by this service operate normally.
1. Run the Websockets Test

Click on the following URL, select your Audio and Video devices, then click "START".

URL:Websockets Test

2. Confirm that "Work for You!" is displayed at the top of the screen
 If the result is different from the above, please contact the person in charge of the information system and prepare an environment where Websocket can be used.


Security Settings

You need to configure security settings in the following cases:

  • You have security settings on your company or home network (firewall, VPN, proxy, security software, etc.)
  • WebRTC test result failed a required item

Setting method (partial match specification)
Please register the following domain/port/IP addresses:

  • / TCP(443)
  • / TCP(443, 10000-65535), UDP(443, 10000-65535)
  • / TCP(443) 

*If you are controlling by IP address, it is also necessary to register the IP address (see table below):

Setting Method (FQDN Specification)

Please register the following domain/port/IP addresses:

Protocol Port Domain IP address remarks
TCP (HTTPS) 443 <your-domain>

CDNs Japanese demo space English demo space Korean demo space

TCP demo space



10000 -6 5535

TCP demo space



  • TCP:443 must always be set.
  • UDP:443, 10000-65535 is recommended as much as possible to use stable service, but it is not essential. If you do not open the UDP port, be sure to test the operation of each function in the space trial environment.
  • When adding or changing a domain or IP address, advance notice will be sent by email. Regarding the IP address of the CDN , we cannot detect additions or changes and notify them in advance.


If none of your tests have failed, but you are experiencing problems, please inform us about the following items.

Information we'll need:

  1. Screenshot of WebRTC results
  2. Use of VPN
  3. Use of proxy
  4. Use of firewalls
  5. Device and browser type

You can send us answers here.



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